/*!	 uimanager.h
**	 User Interface Manager Class
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_APP_UIMANAGER_H
#define __SYNFIG_APP_UIMANAGER_H

#include <ETL/handle>
#include <sigc++/sigc++.h>

#include <synfig/string.h>
#include <synfig/progresscallback.h>

namespace synfigapp
{

class UIInterface : public etl::shared_object, public synfig::ProgressCallback, public sigc::trackable
{
public:
    enum Response {
        RESPONSE_CANCEL = -1,
        RESPONSE_NO = 0,
        RESPONSE_YES = 1,
        RESPONSE_OK = 2
    };
    virtual ~UIInterface() { }
    virtual Response confirmation(
        const std::string &message,
        const std::string &details,
        const std::string &confirm,
        const std::string &cancel,
        Response dflt = RESPONSE_OK
    ) = 0;

    virtual Response yes_no_cancel(
        const std::string &message,
        const std::string &details,
        const std::string &button1,
        const std::string &button2,
        const std::string &button3,
        Response dflt = RESPONSE_YES
    ) = 0;
};

class DefaultUIInterface : public UIInterface
{
public:
    Response confirmation(
        const std::string &/*message*/,
        const std::string &/*details*/,
        const std::string &/*confirm*/,
        const std::string &/*cancel*/,
        Response dflt
    )
    {
        return dflt;
    }

    Response yes_no_cancel(
        const std::string &/*message*/,
        const std::string &/*details*/,
        const std::string &/*button1*/,
        const std::string &/*button2*/,
        const std::string &/*button3*/,
        Response dflt
    )
    {
        return dflt;
    }

    bool task(const std::string &/*task*/)
    {
        return true;
    }
    bool error(const std::string &/*task*/)
    {
        return true;
    }
    bool warning(const std::string &/*task*/)
    {
        return true;
    }
    bool amount_complete(int /*current*/, int /*total*/)
    {
        return true;
    }
};

class ConfidentUIInterface : public UIInterface
{
public:
    Response confirmation(
        const std::string &/*message*/,
        const std::string &/*details*/,
        const std::string &/*confirm*/,
        const std::string &/*cancel*/,
        Response /*dflt*/
    )
    {
        return RESPONSE_OK;
    }

    Response yes_no_cancel(
        const std::string &/*message*/,
        const std::string &/*details*/,
        const std::string &/*button1*/,
        const std::string &/*button2*/,
        const std::string &/*button3*/,
        Response /*dflt*/
    )
    {
        return RESPONSE_YES;
    }

    bool task(const std::string &/*task*/)
    {
        return true;
    }
    bool error(const std::string &/*task*/)
    {
        return true;
    }
    bool warning(const std::string &/*task*/)
    {
        return true;
    }
    bool amount_complete(int /*current*/, int /*total*/)
    {
        return true;
    }
};

class ConsoleUIInterface : public UIInterface
{
public:
    Response confirmation(
        const std::string &message,
        const std::string &details,
        const std::string &confirm,
        const std::string &cancel,
        Response dflt
    );

    Response yes_no_cancel(
        const std::string &message,
        const std::string &details,
        const std::string &button1,
        const std::string &button2,
        const std::string &button3,
        Response dflt
    );

    bool task(const std::string &task);
    bool error(const std::string &task);
    bool warning(const std::string &task);
    bool amount_complete(int current, int total);
};

}; // END of namespace synfigapp

#endif